Replacement of slate finish to cheeks with lead finish, replacement of front dormer windows with higher windows; and associated works.

Erection of rear extensions at lower ground and ground floor levels. Reconstruction and extension of rear closet wing with pitched roof; Replacement of roof with a mansard roof with dormer windows. Replacement of existing sash windows with double glazed timber windows: Installation of plant within acoustic enclosure to rear; and landscaping works.

Conversion of existing garage into a habitable accommodation; construction of ground floor rear extension with roof light; roof light on front elevation; enlarged rear dormer window; and alterations to windows and doors.

Details including the completed Appendix A checklist from the Code of Construction Practice, detailed drawings of the; dormer windows; windows and external doors; solar panels including section drawing showing relationship to finished roof level; rooflight including section drawing showing relationship to finished roof level and railings; samples of the facing materials you will use, including glazing; detailed drawings to show the inclusion of permeable paving in the basement courtyard, pursuant to Conditions 5, 8, 9 and 14 of planning permission dated 17th July 2023 (RN: 22/06785/FULL)

Details of new windows, external doors, extended chimney, extended chimney, new dormer, new roof lights and roof construction, new lantern light, new stone panel and section through lead roof pursuant to Condition 14 of planning permission dated 23 February 2022 (RN: 21/07541/FULL)

Details of reconstructed cornice, typical mansard bay including dormer window and plant enclosure / facing materials pursuant to Conditions 12 and 13 of planning permission dated 01 September 2023 (RN: 22/08666/FULL).

Erection of dormer window to rear and installation of rooflights to front and rear roofslope.

Variation of condition 1 of planning permission dated 16th November 2021 (RN: 21/05242/FULL) for Erection of rear extension, formation of lightwell and associated excavation to lower ground floor level; glazed conservatory at rear ground floor level with associated balcony and stair; partial demolition of existing closet wing and replacement with raised roof level; installation of dormer window, roof light and AC units at roof level and associated works. NAMELY, installation of an alternative air conditioning unit and replacement of its enclosure with an acoustic screen at roof level.

Variation of Condition 1 of planning permision dated 16 October 2023 (RN: 23/05842/FULL), which itself varied planning permission dated 22 December 2022 (RN: 22/06621/FULL) for: Reconfiguration of two residential units to form one unit within Nos. 25, 26 and 48; and new residential unit within No. 49; installation of four condenser units, two on each of the roofs of Nos. 25 and 26; and extension at rear third and fourth floor level of No. 25 and associated works (site includes 25-26 Chester Square and 49-48 Eaton Mews South). NAMLEY, to allow works to front lower ground floor including new York stone paving to lightwell with single step below external staircase, new timber sash window with sidelights, new security railings to both windows in lightwell at no. 25, to match no. 26 existing railings; new York stone paving at no. 26, lightwell, and new Portland stone to both no. 25 and no. 26; rear elevation works include new glazing and glazing bar layout to external door to rear elevation, omit proposed screen between 25 and 26 terraces, new metal railings to coping at no. 25 terrace, and new double dormer; new front door, garage gate and associated fanlights at no. 48.

Works to front lower ground floor including new York stone paving to lightwell with single step below external staircase, new timber sash window with sidelights, new security railings to both windows in lightwell at no. 25, to match no. 26 existing railings; new York stone paving at no. 26, lightwell, and new Portland stone to both no. 25 and no. 26; rear elevation works include new glazing and glazing bar layout to external door to rear elevation, omit proposed screen between no. 25 and no. 26 terraces, new metal railings to coping at no. 25 terrace and new double dormer; new front door, garage gate and associated fanlights at no. 48; internal alterations; and associated works (site includes 25-26 Chester Square and 49-48 Eaton Mews South). (Amendments to previously granted Listed Building Consent dated 22 December 2022 RN: 22/06622/LBC).